Retrofit & Modernisation of Marine Electrical Systems
Certified upgrades. Smart improvements. Turnkey execution.
Future-Proofing the Ships That Keep Moving the World
At Delta Marine Sweden, we help shipowners, operators, and shipyards extend the life and performance of their vessels through professional retrofit and modernisation of existing electrical systems.
Whether you’re updating a single subsystem or completely overhauling outdated installations, we deliver comprehensive, certified turnkey solutions that combine technical precision with operational safety.
Our Retrofit & Modernisation Services
Our retrofit process follows a structured, expert-led approach from analysis to commissioning:
Inventory of Existing Installations
- On-site or onboard inspection and documentation of current electrical systems
- Visual checks, compliance assessments, and schematic verification
- Identification of outdated components, safety risks, and upgrade needs
Control Measurements & Diagnostics
- Periodic or condition-based electrical measurements
- Insulation resistance, loop checks, and functional testing
- Risk evaluation based on usage, age, and classification standards
Engineering & Work Planning
- Development of technical work documentation and upgrade plans
- Selection of modern components, materials, and layouts
- Planning based on vessel availability and shipyard timeline
Turnkey Retrofit Execution
- Removal of obsolete systems or sections
- Installation of upgraded wiring, panels, and devices
- Safety checks, calibration, and full commissioning
- All work performed under class supervision if required
We combine innovation with marine-grade safety, giving you up-to-date systems without disrupting operations.
For Whom and Where?
We support:
- Shipowners upgrading aging fleets
- Shipyards managing refit projects
- Offshore operators seeking compliance with new electrical regulations
- Maritime engineers requiring modernisation blueprints
Delta Marine operates across Sweden, Norway, Germany, Poland, and the wider Baltic region, mobilising skilled retrofit teams for projects at shipyards, ports, and offshore zones.
Why Retrofit with Delta Marine?
Because Smart Upgrades Save Millions – and Lives
- Experienced in retrofitting vessels aged 10–35 years
- Compliance with IMO, SOLAS, class requirements (BV, DNV, RINA)
- Technicians skilled in both old and new generation systems
- End-to-end service: planning, execution, documentation, commissioning
- We don’t just replace – we rethink, optimise, and future-proof your ship
We are both caregivers of safety and explorers of technical precision in one of the world’s harshest environments: the sea.
Example Project
We provide full-scope solutions tailored for the maritime environment:
Case Study: Ferry Retrofit – Gdańsk 2023
We modernised the entire electrical distribution system of a Baltic passenger ferry, replacing over 500 outdated components and upgrading 6 main control panels.
Downtime was limited to 12 working days, with full class approval delivered on time.
Result: Improved power efficiency by 18%, reduced heat output, and safer operation.
FAQ
Yes, we offer phased installations to minimise downtime and avoid drydock.
Absolutely. All work is certified and delivered with full documentation for class sign-off.
If your ship is over 10 years old, we recommend a technical audit. Contact us for a system health check.
Let's Talk Retrofit
Thinking of upgrading your ship’s electrical systems?
Let our engineers assess your installation and provide a reliable, certified retrofit plan.
Contact Delta Marine Sweden for an expert consultation.
